Release notes for the official Django releases. Each release note will tell you what’s new in each version, and will also describe any backwards-incompatible changes made in that version.
See also
The list of backwards-incompatible changes made in the current development “trunk”. If you’re running versions of Django newer than an official release, you should keep track of new pieces pointed there. It’s also fun reading if you’re looking forward to new versions of Django.
Sep 20, 2009